Troubleshooting - Telestar Imperial CAR 1 Operating Manual, Installation Instructions

7. TROUBLESHOOTING

Fault
No display, radio does not
respond
E
Device loses station memory
when the ignition of the car is
turned off and on again.
Radio is on, but no sound is
audible
FM radio reception is signifi-
cantly disrupted
No Bluetooth connection
possible
USB disk or SD card is not
detected. USB or SD not
selectable.
Operating Manual - Installation Instructions
Possible Cause
No power supply
Connection cable steady +
and switched + reversed via
ignition
Wrong operating mode
Sound muted DAB reception
weak
Antenna defective, bad loca-
tion, wrong frequency
Bluetooth function not active
on your mobile device.
Wrong formatting of the disk.
Remedy
Make sure that the ignition of the car is switched on. Check the cabling of the power
supply. (see Assembly section) Check the fuse of the car.
Check the cable connection of the vehicle's supply line and adapt it to the connection
on the car radio. For some car manufacturers, the two cables, steady plus (clamp
30) and switched plus (clamp 15) must be reversed.
Switch the radio into another operating mode, e.g. FM reception Increase the vol-
ume with the rotary control
In DAB receiver mode, sufficient reception must be ensured for a radio signal to be
heard.
Check the cable connections to the loudspeakers (see Mounting section)
Change the FM frequency or carry out a new station search. Check the antenna for
damage and ensure that the antenna connector is inserted.
Check the Bluetooth settings on your desired mobile device. Please read Bluetooth
section.
Check the formatting of the data carrier. Only FAT32 formatted data carriers can
be detected.
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